I-70 Twin Tunnels Westbound Project Schedule
March 2014 – Reduce eastbound I-70 to 2 lanes
April 2014 – Eastbound I-70 moves onto detour route and westbound I-70 into eastbound tunnel
April 2014 - August 2014 – Tunnel blasting and rock cut blasting above both tunnel portals
December 2014 – Westbound tunnel widening work complete
December 2014 – January 2015 – Lane closures to finish wall and barrier construction
September 2015 – County Road 314 restored and retaining walls and trailhead enhancements in place